58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
module.exports = CSSselect;
|
||
|
|
|
||
|
|
var Pseudos = require("./lib/pseudos.js"),
|
||
|
|
DomUtils = require("domutils"),
|
||
|
|
findOne = DomUtils.findOne,
|
||
|
|
findAll = DomUtils.findAll,
|
||
|
|
getChildren = DomUtils.getChildren,
|
||
|
|
removeSubsets = DomUtils.removeSubsets,
|
||
|
|
falseFunc = require("boolbase").falseFunc,
|
||
|
|
compile = require("./lib/compile.js"),
|
||
|
|
compileUnsafe = compile.compileUnsafe;
|
||
|
|
|
||
|
|
function getSelectorFunc(searchFunc){
|
||
|
|
return function select(query, elems, options){
|
||
|
|
if(typeof query !== "function") query = compileUnsafe(query, options);
|
||
|
|
if(!Array.isArray(elems)) elems = getChildren(elems);
|
||
|
|
else elems = removeSubsets(elems);
|
||
|
|
return searchFunc(query, elems);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
var selectAll = getSelectorFunc(function selectAll(query, elems){
|
||
|
|
return (query === falseFunc || !elems || elems.length === 0) ? [] : findAll(query, elems);
|
||
|
|
});
|
||
|
|
|
||
|
|
var selectOne = getSelectorFunc(function selectOne(query, elems){
|
||
|
|
return (query === falseFunc || !elems || elems.length === 0) ? null : findOne(query, elems);
|
||
|
|
});
|
||
|
|
|
||
|
|
function is(elem, query, options){
|
||
|
|
return (typeof query === "function" ? query : compile(query, options))(elem);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
the exported interface
|
||
|
|
*/
|
||
|
|
function CSSselect(query, elems, options){
|
||
|
|
return selectAll(query, elems, options);
|
||
|
|
}
|
||
|
|
|
||
|
|
CSSselect.compile = compile;
|
||
|
|
CSSselect.filters = Pseudos.filters;
|
||
|
|
CSSselect.pseudos = Pseudos.pseudos;
|
||
|
|
|
||
|
|
CSSselect.selectAll = selectAll;
|
||
|
|
CSSselect.selectOne = selectOne;
|
||
|
|
|
||
|
|
CSSselect.is = is;
|
||
|
|
|
||
|
|
//legacy methods (might be removed)
|
||
|
|
CSSselect.parse = compile;
|
||
|
|
CSSselect.iterate = selectAll;
|
||
|
|
|
||
|
|
//useful for debugging
|
||
|
|
CSSselect._compileUnsafe = compileUnsafe;
|